CN110521168A - Power management apparatus for starting immediately during electric power is negotiated - Google Patents
Power management apparatus for starting immediately during electric power is negotiated Download PDFInfo
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- CN110521168A CN110521168A CN201880026600.1A CN201880026600A CN110521168A CN 110521168 A CN110521168 A CN 110521168A CN 201880026600 A CN201880026600 A CN 201880026600A CN 110521168 A CN110521168 A CN 110521168A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40045—Details regarding the feeding of energy to the node from the bus
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The present invention relates to a kind of energy management device (40) and its operating methods.Energy management device (40) includes buffer control unit (41) and energy buffer unit (45), wherein buffer control unit is configured as, during electric power between power supply equipment (10) and load equipment (20) negotiates the period, when detecting load equipment in the voltage for receiving mode of operation and being provided by power supply equipment between the first and second threshold values, energy buffer unit (45) are connected with service load equipment.
Description
Technical field
The present invention relates to Power over Ethernet (PoE) systems.Particularly, it is related to and meets the energy of PoE facility Seamless integration-
Amount buffering electric power concept, to allow the of short duration turnaround time, especially in the case where any power failure.
Background technique
WO2017/017546A2 discloses the power supply unit (PSE) for Power over Ethernet (PoE) system, and wherein PSE is mentioned
For being higher than detection voltage but lower than the voltage of supply voltage, so that the lighting device as power receiving equipment (PD) operation is in urgent mould
It is operated under formula.
US2017/026188A1 discloses a kind of PoE electric power alternate device, is placed on the edge that switch and PoE are enabled
Between equipment, which includes that can store from the received electric power of switch and provide storage to edge device
The electrical storage circuit of electric power.
US2008/028237A1 discloses a kind of PoE equipment comprising battery pack, the battery pack are filled by PoE interface
Electricity, and can be controlled to transmit electric power to another equipment by PoE interface.
PoE is described in IEEE802.3af/at standard, and currently in IEEE working group P802.3bt towards 4 pairs
Electric power extends.
Typical PoE system is by power supply unit (PSE) and one or more PoE load (commonly referred to as power receiving equipment (PD))
Composition.It is identical between the input jack of the output plughole and PD of power supply and the shared PSE of data connection in PoE system
Networking cable (such as CAT6 cable).PoE standard certain claim carries out PD identification and is divided under any energizing cycles of PSE
Class.In order to detect effective PD equipment, across power main 2.8 V of application of PSE to the D/C voltage between 10 V.Based on circuit electricity
Stream, PSE determine whether to be connected to effective PD.19 K to 27 K with 120 nF or smaller shunt capacitor should be presented in PD
Ohmic load between ohm is as feature.In order to match the power delivery capabilities of PSE and the power consumption of PD, second stage is determining
Power classification.It is this to be needed from detection, by the start-up course for being categorized into normal electricity mode depending on PSE implementation
It will be for quite a long time.
The well-known limitation of PoE power supply system is the absence of for uninterrupted electric power in the case where mains failure
Simple mechanism.In addition to this, PoE system restarts the PD for needing PSE before applying whole electric power again with all connections
It renegotiates.It renegotiates possible each port and spends several seconds, and not usually all of the port is executed parallel, but one
It is a to connect a ground execution, so that the lamp in room will light one by one.
It is this power-off and starting limitation be for the use of PoE in numerous applications it is vital, especially permitted
In more illumination applications, these applications usually require reliable light operation, and even need Emergency Light concept.Further, since
Lamp all will not start together, so there may be the impression of insecure lighting installation by client.
Summary of the invention
Therefore, the purpose of the present invention is to provide a kind of improved starting behaviors with for load equipment (especially more
The fast reaction time) energy management device, especially after alternating current power failure.
The purpose is realized by the device and method limited in independent claims.
According to the first aspect of the invention, a kind of energy management for being coupled to power supply equipment and load equipment is provided
Equipment, power supply equipment can operate under equipment detection pattern and power supply mode, and under equipment detection pattern, electric power is supplied
The voltage being applied to answering device periodically between the first and second threshold values, under power supply mode, power supply equipment is used
In providing electric power to load equipment, wherein voltage is higher than second threshold, and load equipment can receive standard according to scheduled electric power
Receiving mode of operation or not receiving to operate under mode of operation for electric power is being received about from power supply equipment.Energy management device
Including energy buffer unit and buffer control unit, wherein buffer control unit is configured as detection load equipment and is in receiving operation shape
State and by power supply equipment provide voltage between the first and second threshold values, and detect load equipment be in connect
By mode of operation and by power supply equipment provide voltage between the first and second threshold values when by energy buffer unit with
Load equipment connection.
If load equipment, which is in, receives mode of operation, and the voltage provided by power supply equipment is first and second
Between threshold value, then state that electric power is negotiated between load equipment and power supply equipment.By once detecting at load equipment
In the voltage for receiving mode of operation and being provided by power supply equipment between the first and second threshold values, just with energy snubber list
The electric power operation load equipment that member provides, load equipment need not until providing requested electric power until power supply equipment, and
It is that can immediately begin to operate, to show improved starting behavior.
Power supply equipment is configured as operating under several modes, and wherein the specific input electric power of mode is provided to coupling
The load equipment of conjunction.Power supply equipment can be load equipment detection pattern in one in its lower mode operated.At this
Under kind mode, power supply equipment continuously or periodically provides the voltage between the first and second threshold values.If load equipment
In mode of operation is received, then power supply equipment will test the resistance of load equipment.Load equipment and power supply equipment
Electric power can be entered to negotiate, wherein load equipment indicates it needs how many amount of power to power supply equipment.Power supply equipment
It will change to being used to provide the power supply mode of electric power to load equipment, then wherein provided voltage is higher than the second threshold
Value.If load equipment be in receive mode of operation and by power supply equipment provide voltage the first and second threshold values it
Between, then the negotiation element of load equipment should request the electric power from power supply equipment.When detecting the same terms, buffering
Controller should connect energy buffer unit with service load equipment.Therefore, the detection of two conditions can preferably negotiated
It is executed in any of unit or buffer control unit, and is sent to other corresponding units.
In an embodiment of the present invention, energy management device is integrated in load equipment.By by energy management device collection
At compact design in load equipment, is realized, wherein energy management device be can be used as and load equipment circuit integration
Energy snubber circuit is included in load equipment.
In alternative embodiments, energy management device with daisy chain be coupled in power supply equipment and load equipment it
Between.In this embodiment, energy management device be considered in across.Disposed outside allows in the energy snubber not integrated
Load equipment is reequiped in the case where circuit.
Energy buffer unit may be preferred that chargeable energy buffer unit, such as, but not limited to rechargeable battery.
Load equipment can be preferred that the application apparatus by Power over Ethernet, such as, but not limited to lamps and lanterns or access
Point.
In one embodiment, buffer control unit be additionally configured to detect load equipment be in receive mode of operation and
When dropping below second threshold by the voltage that power supply equipment provides, energy buffer unit is connect with load equipment.In
Irregular power supply or even in the case where power failure, the voltage for being supplied to load equipment may drop below second
Voltage threshold, in this case, buffer control unit will connect energy buffer unit and load equipment.Especially in power failure
Later, it may be necessary to renegotiate the power supply between power supply equipment and load unit.Due to by energy buffer unit
The electric power of offer, load equipment need not be waited and be renegotiated, but can continue to operate.Therefore, load equipment can be in alternating current
Hitless operation in the case where power failure.It may be preferable to the amount for the energy being stored in energy buffer unit is selected, so as to
Keep complete operation during load equipment period needed for restarting power supply equipment and renegotiating power supply.
Buffer control unit can be preferably configured as after the voltage provided by power supply equipment is unavailable
The connection of energy buffer unit and load equipment is kept in predetermined time.Therefore, load equipment can be adapted to be only by electricity
The voltage that power supply equipment provides is unavailable in the given time just to be powered off later.
It may be preferable to the amount for the energy being stored in energy buffer unit be selected, to keep load equipment to exist
It is operated completely or partially during the supply gap of emergency power switching.
In one embodiment, energy management device further includes charging and/or charge/discharge control circuit.Energy buffer unit can be with
Preferably rechargeable battery.Therefore, after providing energy to load unit during starting or during power failure, work as load
When equipment is provided energy from power supply equipment, battery should be recharged.
In one embodiment, energy management device further includes the data cell for receiving activation and/or configuration setting.Swash
Living and/or configuration setting can be preferably used Link Layer Discovery Protocol (LLDP) and be received.LLDP can be also used for monitoring
With control buffer circuit other parameters, such as such as be charged and discharged circulation, battery status, the maximum cushioning time.
In one embodiment, energy management device further includes reporting unit, to generate the report about power supply failure
Message, and this report is transferred to corresponding management system.Preferably, reporting unit be configured as buffer report message for weight
New transmission, until the voltage that is provided by power supply equipment between the first and second threshold values or even higher than second threshold.
Energy management device can preferably include timestamp unit, to provide timestamp for report message, so as to convenient in management system
Time tracking is carried out at system, even if being reported in later point arrival.
In one embodiment, energy management device further includes storage unit, to store the configuration setting of load equipment.It is preferred that
Ground, buffer control unit are configured as being arranged according to configuration stored in memory come service load equipment, especially restart
Later.Equally, configuration setting may include timestamp, and buffer control unit can be configured as only be no earlier than in timestamp it is pre-
Ability application configuration when being spaced of fixing time is arranged.Memory can also include the default value that can alternatively apply.All setting values
It can be programmed during manufacture, installation or operation.
According to the second aspect of the invention, a kind of method for operating energy management equipment, the energy management are provided
Equipment is coupled to power supply equipment and load equipment, and power supply equipment can be under equipment detection pattern and power supply mode
Operation, under equipment detection pattern, power supply equipment is periodically applied to the voltage between the first and second threshold values, in electricity
Under power supplying mode, power supply equipment is used to provide electric power to load equipment, and wherein voltage is higher than second threshold, load equipment
It can receive standard according to scheduled electric power to receive receiving mode of operation or not receiving for electric power about from power supply equipment
It is operated under mode of operation.This method comprises: detection load equipment is in and receives mode of operation and provided by power supply equipment
Voltage between the first and second threshold values, and detect load equipment be in receive mode of operation and by power supply
When the voltage that equipment provides is between the first and second threshold values, the energy buffer unit of energy management device is connected with service load
Equipment.
In one embodiment, this method further include: whether the value for determining that instruction starts for the first time is negative, and only first in instruction
The value of secondary starting just executes the step of connection energy buffer unit is with service load equipment in the case where being negative.
Preferably, after the predetermined shut-in time of load equipment, indicate that the value started for the first time is arranged to true.Work as load
When equipment is not used by for a long time (such as after shipment), this supports deactivated quick start.Reasonable example can be to maintain
The maximum shut-in time for 24 hours of function is supported in starting.
Preferably, this method further includes being operated according to the configuration setting in the storage unit for being stored in energy management device
Load equipment.It can store one or more configuration settings.Preferably, newest configuration setting saves in memory, so that
The automatic recovery operation of previous setting can be used in load equipment.Alternatively or additionally, configuration setting can be set to
Guarantee that minimum operation is horizontal, is such as but not limited to Emergency Light etc..These configuration setting equally can manufacture, installation and/or
It is arranged during operation.Which can be determined according to the condition detected after power-off should be arranged after restarting using.For example, if
The of short duration time only occurs for power-off, and system is restarted immediately and renegotiated into electric power, then the operation of load equipment can be with
It is resumed using the configuration setting before power-off.If power failure does not appear to recover immediately, load equipment can be cut
Urgent setting is changed or is restored to, to provide minimum operation level in a long time.
It should be appreciated that the load of claim 1 and the method for operating the load equipment of claim 13 have phase
Like and/or identical preferred embodiment, the especially preferred embodiment as defined in dependent claims.
It should be appreciated that the preferred embodiment of the present invention is also possible to dependent claims or above embodiments and corresponding independence
Any combination of claim.
With reference to the embodiments described below, these and other aspects of the invention will be apparent clear and be illustrated.
Detailed description of the invention
In the following figures:
Fig. 1 schematically and exemplarily shows the lighting system by Power over Ethernet；
Fig. 2 schematically and exemplarily show from power receiving equipment detect normal operating by power supply equipment provide
Voltage distribution curves；
Fig. 3 schematically and exemplarily shows load equipment according to an embodiment of the present invention；
Fig. 4 shows the method for schematically and exemplarily illustrating the operation for load equipment according to an embodiment of the present invention
Flow chart；
Fig. 5 schematically and exemplarily shows another load equipment according to an embodiment of the present invention.
Specific embodiment
Fig. 1 schematically and exemplarily shows at least part of lighting system, and wherein system component passes through Ethernet
Power supply.PD can be such as light source 331-332, user interface (UI) equipment 333(such as, but not limited to photocontrol panel) and
Such as, but not limited to there is infrared sensor in sensor 334().Each PD is via individual cable 306(such as CAT6 cable) with
The connection of PSE 320, corresponding PD receive data and electric power via cable 306.PSE 320 includes multiple output plugholes 324, and
Network is connected to via cable 329.
In order to receive electric power from PSE 320, each of PD 331-334 must request the electric power from PSE.Accordingly
Ground, PSE 320 periodically apply detection voltage across power main 306, to detect the PD for requesting electric power, as long as the spy
Fixed end mouthful transmits electric power not yet.
Fig. 2 schematically and exemplarily illustrates the voltage provided under the different operation modes of PSE by PSE 320.In
May be for about in the detection period A of 500 ms, in this embodiment, across power main 2.8 V of application of PSE is between 10 V
D/C voltage.Based on loop current, PSE determines whether there is the effective PD for being connected to corresponding power main.PD should be in
Existing special characteristic, for example there is the ohmic load between 120 nF or 19 K to 27 K ohm of smaller shunt capacitor.So
And each other predetermined characteristic can be used.In order to match the power delivery capabilities of PSE and the power consumption of PD, second-order is used
Section B determines power classification.If be classified to amount of power, PSE starts to provide requested electric power, such as by opening
Dynamic period C instruction.In the normal operating indicated in such as period D, as long as long as request (such as being opened as long as such as lamps and lanterns)
Supply requested electric power.
Load equipment according to an embodiment of the present invention is adapted to be in period A to the energy buffer unit during C by integrating
Power supply, until PSE is ready to provide requested electric power.
Fig. 3 schematically and exemplarily shows load equipment 20 according to an embodiment of the present invention, the load equipment 20 warp
Power supply equipment 10 is connected to by networking cable 30.Behind polarity correction rectifier 22 and 23, being connected with has isolation
Switch the negotiation element 25 of (commonly referred to as hot plug) 24.Application load 26, which can be, is such as but not limited to lamps and lanterns, camera, access
Site transceivers etc..Integrated energy buffer circuit 40 include energy buffer unit 45, buffer control unit 41 and energy buffer unit every
Leave pass 42.Preferably, energy buffer unit 45 is rechargeable, so that in the power supply for establishing power supply equipment
When, the electric power that is provided by power supply equipment 10 can be used to recharge in energy buffer unit 45.Electric power is come from order to prevent
Charging current (the V of supply equipmentPD2) body diode that unintentionally flows through energy buffer unit disconnecting switch 42, in the implementation
In example, the diode 46 being coupled in series between energy buffer unit 45 and disconnecting switch 42 is provided.In order to give energy snubber
Unit 45 charges, and provides charging resistor 47 in this embodiment.Alternatively, more complicated charging and discharging control circuit
It can integrate in buffer control circuit 41.The charging and discharging control circuit may include DC/DC converter (not shown), with
Just make any charge or discharge voltage adaptation of energy buffer unit in being mentioned under power supply mode by power supply equipment 10
Supply the voltage (V of load equipmentPD2), and control charging and discharging electric current.
Negotiation element 25 is configured as, if load equipment 20, which is in, receives mode of operation and by power supply equipment 10
The voltage of offer then requests the electric power from power supply equipment 10 between the first and second voltage thresholds.Once detecting
Identical condition, buffer control unit 41 are configured to for energy buffer unit 45 connecting with application load 26.Negotiation element 25
The information therefore can be shared with energy buffer unit 45, as indicated in Figure 3.In order to determine power supply equipment 10
Currently whether work in particular voltage range, negotiation element 25 and/or buffer control unit 41 may include that comparator (does not show
Out).First comparator, which can be configured as, determines whether the current voltage level provided by power supply equipment 10 is higher than first
Threshold voltage, such as 2.8 V.Second comparator can be configured as the current voltage electricity for determining and being provided by power supply equipment 10
It is flat whether to be lower than the second reference voltage, such as 36 V.Each of first and second comparators all have positive input terminal and bear
Input terminal.Therefore the power input end of load equipment 20 may be coupled to the positive input terminal and the second comparator of first comparator
Negative input end.First voltage threshold value is provided to the negative input end of first comparator, and second voltage threshold value (is higher than the first ginseng
Examine voltage) it is provided to the positive input terminal of the second comparator.This electrical implementation provides particularly simple voltage level
Compare.However, it is possible to alternatively use more complicated solution.If the current voltage level of input electric power is higher than the first electricity
It presses threshold value and is lower than second voltage threshold value, then provide corresponding switch-over control signal, which will be so that 42 phase of switch unit
Energy buffer unit 45 connect with service load 26, until load equipment is powered by power supply equipment 10, such as until electricity
Voltage level rises above second threshold.As long as the voltage from PSE is lower than cell voltage, diode 46 will be connected, and
Therefore the supply 26 from battery will be connected.
Load equipment 20 can also be powered by energy buffer unit 45, to prevent the voltage quilt provided by power supply equipment 10
It interrupts the of short duration period, such as during alternating current power failure, even the short interruption of alternating current electric power, this will also need system
Restart, and therefore needs renegotiating for electricity needs between power supply equipment 10 and the load equipment of all connections.
It can choose the energy being stored in buffering energy unit 45, to keep the operation completely of load 26 in predetermined time period
(for example, lamps and lanterns PD generates light with 100% light modulation value), the predetermined time period be, for example, system plus the known of minibuffer device or
Measurement is averaged and restarts the period, can be in 30 seconds orders of magnitude.If load equipment 20 is such as the lamps and lanterns in lighting system,
Then lamps and lanterns will continue to illuminate room during new negotiation loop by its local energy storage, so that the people in the room can
It will not or can hardly receive power failure.In order to remember last operative configuration, such as the dimming level or color of lamps and lanterns
Temperature, load equipment may further include memory (not shown).The received newest operative configuration of lamps and lanterns can be stored in storage
In device, so that load is restored automatically using newest operative configuration.For lamps and lanterns, this be can be such as in power-off or electric power
The colour temperature and/or light modulation value activated when disconnected.Alternatively, memory can store default configuration, which can make
Make, install or normal operating during be programmed.In another alternative embodiment, which can be programmed so that offer is urgent
Configuration, in the case where lighting system, which can provide the illumination level for meeting emergency light.It is slow that energy can be optimized
Rush device size and capacity, so as to typical emergency power switching during for worst case under supply gap enough electricity are provided
Power.
Load equipment can also include data cell (not shown), to receive the message from control unit, to be arranged
The configuration of load equipment is arranged.Link layer can be used in the programming for the configuration setting being stored in the storage unit of local device 20
It was found that agreement (LLDP) Lai Zhihang.LLDP is the link layer protocol of vendor-neutral in internet protocol group.The agreement is by IEEE
It is formally known as the website specified in IEEE802.1AB and the discovery of media access control connectivity.LLDP can be also used for monitoring energy
Buffer function and control are measured, and is charged and discharged circulation, to keep tracking energy buffer state.
Buffer control unit 41 can be additionally configured to provided by power supply equipment 10 voltage missing the predetermined time it
Load equipment is powered off afterwards, which can freely be programmed for from 0 to until energy buffer unit electric power is the empty time
Section.Predetermined time can also use LLDP and be stored in storage equipment.
In addition, load equipment 20 may include reporting unit, power failure is reported to building management system.Because logical
Often in case of power down, data communication is also interrupted, so the report generated can be added timestamp by timestamp unit, and
It is buffered so that reporting unit is transmitted later.
Preferably, load equipment 20 is programmed with the maximum shut-in time to deactivate quick start support, so that energy
Buffer cell 45 is not connected by buffer control unit 41, such as after shipment.Reasonable example can be to maintain starting and support function
The maximum shut-in time for 24 hours of energy.Therefore load equipment 20 can be programmed to include the variable for indicating to start for the first time, the variable
It can be set to false or true.If when load equipment is in the voltage for receiving mode of operation and being provided by power supply equipment
Find that variable is very that then energy buffer unit 45 will not be by cushioning control during period A when between the first and second threshold values
Device 41 connects.
In alternative embodiments of the invention, energy snubber circuit can be included in individual daisy chain type energy pipe
It manages in equipment 340, as depicted in Figure 5, which is connected in series in load equipment and power supply is set
Between standby.Energy management device 340 be considered in across, and keep tracking last time electric power negotiate record, and
Coherent signal is repeated in power supply equipment direction 306 during subsequent power-up.During period A-C in Fig. 2, electric power
Supply equipment voltage is included in the energy buffer unit buffering of the middle span centre on the direction 307 of load equipment.Load equipment
331 and power supply equipment 320 only " seen " each other during negotiation loop for the first time.Continuous circulation is caught by middle striding equipment 340
It obtains, middle striding equipment 340 only repeats to negotiate for the first time to be directly load device power-on.During period A-C, in across being set to load
It is standby that the energy from its energy buffer unit is provided.In subsequent negotiation loop, in across can represent load equipment carry out electricity
Power is negotiated.Therefore, middle striding equipment 340 may include the record of the electric current drawn during negotiating for the first time by load equipment 331.In
In subsequent circulation, then middle striding equipment 340 power supply equipment 320 can be isolated with load equipment 331, because load is set
Standby 331 the battery in middle striding equipment 340 is powered by including, and on the power supply equipment side 306 that is recorded of accurate recreation
Electric current.
Fig. 4 show schematically and exemplarily illustrate it is according to an embodiment of the present invention for load equipment 20 or middle striding equipment
The flow chart of the method for 340 operation.This method needs the energy buffer unit 45 of at least minimum charging to be used as starting point 900.In
In first step 901, voltage V is measuredPD1.Next, 902, determine whether measured voltage is higher than first threshold, such as 2.8
V, and whether it is lower than second threshold, such as 36 V(steps 903).If two conditions all meet, preferably in step 904
In further determine that whether the value of instruction load equipment started for the first time is arranged to false.If being most recently used load equipment,
Such as before power failure or another interruption, then it should also be as meeting last (last) condition.In this case, 26 are loaded
Should be powered (step 905) by energy buffer unit 45, as long as voltage VPD1(step is determined to be between the first and second threshold values
It is rapid 906), such as higher than 2.8 V and be lower than 36 V.If voltage VPD1It is not determined to be in by the setting of the first and second threshold values
In interval, then further determine that (907) voltage VPD1Whether second threshold is higher than.In this case, it is mentioned by power supply equipment
The electric power of confession is transported to load 26.In the case where battery is rechargeable battery, by the electric power of power supply equipment offer
It should also be as being recharged to energy buffer unit 45.The case where the embodiment of the present invention is using the value for indicating to start for the first time
Under, which should be arranged to false.In step 908 and so.As long as the voltage V provided by power supply equipmentPD1It is higher than
Second threshold, such as 36V are maintained for this configuration.The case where voltage drops below second threshold is determined in step 907
Under, this method proceeds to step 901.
If determining that voltage is higher than second threshold in step 903, this method leaps to step 908.
In optional side routine, if the voltage determined in step 902 is lower than first threshold, inspection is set in load
Whether shut-in time holding (step 910) is had activated in standby.If it is not, this method jumps back to step 901.However, if closing
It closes time holding to be activated, then determines whether the shut-in time value of monitoring is greater than predetermined value in next step 911.If monitoring
Shut-in time value be greater than predetermined value, then indicate that the value started for the first time is arranged to true (step 912).This method returns to step
901.However, load equipment will not be by energy buffer unit because the value that instruction starts for the first time is now set as very
Power supply, until it is just being operating as receiving electric power from power supply equipment and indicates that the value started for the first time is arranged to false.Cause
This, side routine ensures when load equipment is not used by for a long time, such as after shipment, unloading etc., quick start supports quilt
It deactivates.The reasonable shut-in time can be to maintain the maximum shut-in time for 24 hours that function is supported in starting.It is almost exhausted in battery
In the case of, indicate that the value started for the first time may be set to be very.
By one or more units or the such as request electric power of equipment execution, determine whether load equipment is in receiving and operates
State and by power supply equipment provide voltage whether the process between the first and second threshold values etc. can by it is any its
The unit or equipment of his quantity execute.These processes according to the method for service load equipment and/or the control to load equipment
It can be implemented as the program code devices and/or specialized hardware of computer program.
Although explaining and describing in the drawings and the preceding description the present invention in detail, it is such explanation and
Description should be considered as it is illustrative or exemplary, rather than it is restrictive；The present invention is not limited to disclosed embodiments.Pass through
Attached drawing, disclosure and appended claims are studied, those skilled in the art can manage when practicing invention claimed
Other modifications of solution and realization to disclosed embodiment.In the claims, word " comprising " is not excluded for other elements or step,
And indefinite article "a" or "an" is not excluded for multiple.The pure of certain measures is recorded in mutually different dependent claims
The pure fact does not indicate that the combination of these measures cannot be used for benefiting.Any appended drawing reference in claim is not necessarily to be construed as
Limit range.
Claims (12)
1. a kind of energy management device (40,340), is coupled to power supply equipment (10) and load equipment (20), the electricity
Power supply equipment (10) can operate under equipment detection pattern and power supply mode, described under the equipment detection pattern
Power supply equipment is periodically applied to the voltage between the first and second threshold values, described under the power supply mode
Power supply equipment is used to provide electric power to load equipment, wherein the voltage is higher than the second threshold, the load equipment
(20) standard can be received according to scheduled electric power to receive mode of operation about from power supply equipment reception electric power
Or do not receive to operate under mode of operation, the energy management device (40,340) includes:
Energy buffer unit (45),
Buffer control unit (41),
Wherein the buffer control unit is configured as
It detects the load equipment (20) and is in described and receive mode of operation and described in being provided as the power supply equipment
Voltage has decreased below the second threshold and between first and second threshold value, and
Detecting that the load equipment (20) be in described and receive mode of operation and mentioned by the power supply equipment (10)
The voltage supplied has decreased below the second threshold and when between first and second threshold value, by the energy
Amount buffer cell (45) is connect with the load equipment (20), and in the electricity provided by the power supply equipment (10)
Pressure have decreased below the second threshold after, keep in the given time by the energy buffer unit (45) with it is described
Load equipment connection.
2. energy management device according to claim 1, wherein the energy management device (40) is integrated in the load
In equipment (20).
3. energy management device according to claim 1, wherein the energy management device (340) is coupled in daisy chain
Between the power supply equipment (10) and the load equipment (20).
4. energy management device (40,340) according to claim 1, further includes for the energy buffer unit
(45) charging control circuit (47,46) to charge.
5. energy management device (40,340) according to claim 1, further includes data cell, to receive for operating
State the activation and/or configuration setting of load equipment.
6. energy management device (40,340) according to claim 1, further includes reporting unit, if supplied in the electric power
It answers and the second value is dropped below by the voltage that the power supply equipment (10) provide under mode, then generate about electricity
The report message of power failure is simultaneously transmitted to corresponding management system.
7. energy management device (40,340) according to claim 6, wherein the reporting unit is configured as buffering institute
Report message is stated for transmitting again, until the voltage that is provided by the power supply equipment (10) is described first and the
Between two threshold values.
8. energy management device (40,340) according to claim 6, further includes timestamp unit, to disappear to the report
Breath provides timestamp.
9. energy management device (40,340) according to claim 1, further includes memory, to store the load equipment
Configuration setting.
10. energy management device (40,340) according to claim 9, wherein the buffer control unit (41) is configured as
Detect the load equipment (20) be in it is described receive mode of operation and by the power supply equipment (10) provide
When voltage drops below the second value, connect the energy buffer unit (45) with according to storage in the memory
The configuration is arranged to operate the load equipment.
11. the method that one kind is used for operating energy management equipment (40,340), the energy management device (40,340) are coupled to
Power supply equipment (10) and load equipment (20), the power supply equipment (10) can be in equipment detection pattern and power supply
It is operated under mode, under the equipment detection pattern, the power supply equipment is periodically applied to the first and second threshold values
Between voltage, under the power supply mode, the power supply equipment is used to provide electric power, wherein institute to load equipment
Voltage is stated higher than the second threshold, the load equipment (20) can receive standard according to scheduled electric power and come about from described
Power supply equipment (10) receives receiving mode of operation or not receiving to operate under mode of operation for electric power, which comprises
It detects the load equipment (20) and is in described and receive mode of operation and described in being provided as the power supply equipment
Voltage drops below the second threshold between first and second threshold value, and only executes following steps:
Detecting that the load equipment (20) be in described and receive mode of operation and mentioned by the power supply equipment (10)
When the voltage supplied drops below the second threshold between described first and the second threshold, by the energy
The energy buffer unit (45) of management equipment (40,340) is connect with the load equipment (20), and by the power supply
After the voltage that equipment (10) provides has decreased below the second threshold, kept in the given time by the energy
Amount buffer cell (45) is connect with the load equipment.
12. according to the method for claim 11, further includes: whether the value for determining that instruction starts for the first time is negative, and only exists
It is described to indicate to execute the connection energy buffer unit (45) just in the case that the value started for the first time is negative to operate the load
The step of equipment (20)；It is wherein described to indicate the value started for the first time quilt after the predetermined shut-in time of the load equipment (20)
It is set as true.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17167811.3 | 2017-04-24 | ||
| EP17167811 | 2017-04-24 | ||
| PCT/EP2018/059570 WO2018197237A1 (en) | 2017-04-24 | 2018-04-13 | Power management device for immediate start-up during power negotiation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110521168A true CN110521168A (en) | 2019-11-29 |
Family
ID=58606195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880026600.1A Pending CN110521168A (en) | 2017-04-24 | 2018-04-13 | Power management apparatus for starting immediately during electric power is negotiated |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11082243B2 (en) |
| EP (1) | EP3616361B1 (en) |
| JP (1) | JP6693002B1 (en) |
| CN (1) | CN110521168A (en) |
| WO (1) | WO2018197237A1 (en) |
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| US11074608B2 (en) | 2017-08-04 | 2021-07-27 | Place Exchange, Inc. | Systems, methods and programmed products for dynamically tracking delivery and performance of digital advertisements in electronic digital displays |
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| CN111181737B (en) * | 2018-11-12 | 2021-09-14 | 华为技术有限公司 | Control method, power receiving device and system |
| CN109617039B (en) * | 2018-11-15 | 2021-02-09 | 华为技术有限公司 | Power receiving equipment and power over Ethernet system |
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Also Published As
| Publication number | Publication date |
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| EP3616361B1 (en) | 2020-08-19 |
| JP2020519077A (en) | 2020-06-25 |
| US20200145238A1 (en) | 2020-05-07 |
| US11082243B2 (en) | 2021-08-03 |
| WO2018197237A1 (en) | 2018-11-01 |
| EP3616361A1 (en) | 2020-03-04 |
| JP6693002B1 (en) | 2020-05-13 |
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